The Russell Pro PTFE hose end attaches to Russell Pro PTFE hose for high-horsepower fuel delivery and other demanding systems. This -6 AN straight end is finished in black.
- Type: Pro PTFE hose end
- AN size: -6 AN
- Configuration: straight
- Finish: black
- Part number: 550503
FAQ
What hose does the Russell 550503 use?
It is designed for Russell Pro PTFE hose.
What AN size and angle is this end?
It is a -6 AN straight hose end.
What systems is Pro PTFE hose used for?
It suits fuel, transmission, clutch, nitrous, and oiling systems, including race fuels, E85, and alcohol.

